Home / 1,428,801.04-2,142,890.52-718,074.64

Finding the Fourth Proportional to 1,428,801.04, 2,142,890.52 and 718,074.64

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Solution

The fourth proportional to 1,428,801.04, 2,142,890.52 and 718,074.64 is: 1,076,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,801.04 : 2,142,890.52 = 718,074.64 : x
  2. Step 2: Convert to fraction form
    1,428,801.04/2,142,890.52 = 718,074.64/x
  3. Step 3: Cross multiply
    1,428,801.04x = 2,142,890.52 × 718,074.64
  4. Step 4: Simplify right side
    1,428,801.04x = 1,538,755,338,708.41
  5. Step 5: Solve for x
    x = 1,538,755,338,708.41/1,428,801.04
  6. Step 6: Final answer
    x = 1,076,955.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.